A photosensitive resin composition which comprises (1) a particulate copolymer comprising 10-99.8% by mole of the unit of (i) an aliphatic conjugated diene monomer, 0.1-30% by mole of the unit of (ii) a monomer having one polymerizable unsaturated group and an amino group, 0.1-20% by mole of the unit of (iii) a monomer having at least two polymerizable unsaturated groups and 0-40% by mole of the unit of (iv) a copolymerizable other monomer having one polymerizable unsaturated group, (2) a photopolymerizable unsaturated monomer and (3) a photopolymerization initiator typically represented by 9-fluorenone or 2-i-propylthioxanthone.
A photosensitive resin composition is provided which can be developed by using water, has a low hardness and high resilience, and is excellent in balance of properties.
一种光敏
树脂组合物,它包括(1)一种微粒共聚物,它含有 10-99.8%(以摩尔计)的(i)脂肪族共轭二烯单体单元、0.1-30%(以摩尔计)的(ii)具有一个可聚合不饱和基团和一个
氨基的单体单元、0.1-20%(摩尔)的(iii)具有至少两个可聚合不饱和基团的单体的单元和0-40%(摩尔)的(iv)具有一个可聚合不饱和基团的可共聚其他单体的单元,(2)可光聚合不饱和单体和(3)通常由
9-芴酮或2-i-丙基
硫杂
蒽酮代表的光聚合
引发剂。
本发明提供了一种光敏
树脂组合物,它可以用
水进行显影,具有低硬度和高回弹性,并在性能平衡方面表现出色。